Patents by Inventor Chan I-Chuan

Chan I-Chuan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5165708
    Abstract: A double-foot plate pedaling skate, comprising two foot plates alternatively pedaled to force three sets of wheels to run. The three sets of wheels include a first set of wheels mounted on the wheel axles of one foot plate at one side, a second set of wheels mounted on the wheel axles of the other foot plate at the opposite side, and a third set of wheels respectively secured to and retained between the two food plates permitting the two foot plates to be alternatively disposed at two different angular positions at 180.degree. from each other so that the two foot plates can be alternatively pedaled to provide axle and wheel rotation.
    Type: Grant
    Filed: August 28, 1991
    Date of Patent: November 24, 1992
    Inventor: Chan I-Chuan